<template>
  <!--列表-->
  <div class="list-container">
    <div class="sortList clearfix">

      <div class="center">
        <!-- Banner 轮播图：整合（Swiper）轮播图插件实现。 -->
        <div class="swiper-container" id="mySwiper" ref="mySwiper">
          <!-- swiper-wrapper里面每一个slider即为一张图片 -->
          <div class="swiper-wrapper">
            <div class="swiper-slide" v-for="(item, index) in bannerInfo" v-bind:key="item.id">
              <img v-bind:src="item.imgUrl" alt="规定图像的替代文本" title="放上来看看哒"/>
            </div>
          </div>
          <!-- 如果需要分页器 -->
          <div class="swiper-pagination"></div>

          <!-- 如果需要导航按钮 -->
          <div class="swiper-button-prev"></div>
          <div class="swiper-button-next"></div>
        </div>
      </div>

      <div class="right">
        <div class="news">
          <h4>
            <em class="fl">秒杀的世界你不懂</em>
            <span class="fr tip">更多&nbsp;>></span>
          </h4>
          <div class="clearix"></div>
          <ul class="news-list unstyled">
            <li>
              <span class="bold">[特惠]&nbsp;</span>&nbsp;备战开学季&nbsp;&nbsp;全民半价购数码
            </li>
            <li>
              <span class="bold">[公告]&nbsp;</span>&nbsp;备战开学季&nbsp;&nbsp;全民半价购数码
            </li>
            <li>
              <span class="bold">[特惠]&nbsp;</span>&nbsp;备战开学季&nbsp;&nbsp;全民半价购数码
            </li>
            <li>
              <span class="bold">[公告]&nbsp;</span>&nbsp;备战开学季&nbsp;&nbsp;全民半价购数码
            </li>
            <li>
              <span class="bold">[特惠]&nbsp;</span>&nbsp;备战开学季&nbsp;&nbsp;全民半价购数码

            </li>
          </ul>
        </div>
        <ul class="lifeservices">
          <li class=" life-item ">
            <i class="list-item"></i>
            <span class="service-intro">话费</span>
          </li>
          <li class=" life-item ">
            <i class="list-item"></i>
            <span class="service-intro">机票</span>
          </li>
          <li class=" life-item ">
            <i class="list-item"></i>
            <span class="service-intro">电影票</span>
          </li>
          <li class=" life-item ">
            <i class="list-item"></i>
            <span class="service-intro">游戏</span>
          </li>
          <li class=" life-item">
            <i class="list-item"></i>
            <span class="service-intro">彩票</span>
          </li>
          <li class=" life-item">
            <i class="list-item"></i>
            <span class="service-intro">加油站</span>
          </li>
          <li class=" life-item">
            <i class="list-item"></i>
            <span class="service-intro">酒店</span>
          </li>
          <li class=" life-item">
            <i class="list-item"></i>
            <span class="service-intro">火车票</span>
          </li>
          <li class=" life-item ">
            <i class="list-item"></i>
            <span class="service-intro">众筹</span>
          </li>
          <li class=" life-item">
            <i class="list-item"></i>
            <span class="service-intro">理财</span>
          </li>
          <li class=" life-item">
            <i class="list-item"></i>
            <span class="service-intro">礼品卡</span>
          </li>
          <li class=" life-item">
            <i class="list-item"></i>
            <span class="service-intro">白条</span>
          </li>
        </ul>
        <div class="ads">
          <img src="./images/ad1.png" alt="" title=""/>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import {mapState} from "vuex";
import Swiper from "swiper";
import "swiper/css/swiper.css";

export default {
  name: 'ListView',
  computed: {
    ...mapState({
      bannerInfo: state => {
        return state.home.banner;
      }
    }),
  },
  mounted() {
    this.$store.dispatch("getBannerJson");
    // 方法一
    // window.setTimeout(() => {
    //   const mySwiper = new Swiper(this.$refs.mySwiper, {
    //     direction: "horizontal",
    //     loop: true,
    //     pagination: {
    //       el: ".swiper-pagination",
    //       type: "bullets",
    //       clickable: true,
    //     },
    //     autoplay: {
    //       delay: 1000,
    //       stopOnLastSlide: true,
    //       disableOnInteraction: false,
    //     },
    //     navigation: {
    //       nextEl: ".swiper-button-next",
    //       prevEl: ".swiper-button-prev",
    //     }
    //   });
    //   mySwiper.el.onmouseover = function () {
    //     mySwiper.autoplay.stop();
    //   };
    //   mySwiper.el.onmouseout = function () {
    //     mySwiper.autoplay.start();
    //   };
    // }, 2000);
  },
  watch: {
    // 方法二
    bannerInfo() {
      this.$nextTick(() => {
        const mySwiper = new Swiper(document.querySelector(".swiper-container"), {
          direction: "horizontal",
          loop: true,
          pagination: {
            el: ".swiper-pagination",
            type: "bullets",
            clickable: true,
          },
          autoplay: {
            delay: 1000,
            stopOnLastSlide: true,
            disableOnInteraction: false,
          },
          navigation: {
            nextEl: ".swiper-button-next",
            prevEl: ".swiper-button-prev",
          },
          effect: "cube",
        });
        mySwiper.el.onmouseover = function () {
          mySwiper.autoplay.stop();
        };
        mySwiper.el.onmouseout = function () {
          mySwiper.autoplay.start();
        };
      });
    },
  }
}
</script>

<style lang="less" scoped>
.list-container {
  width: 1200px;
  margin: 0 auto;

  .sortList {
    height: 464px;
    padding-left: 210px;

    .center {
      box-sizing: border-box;
      width: 740px;
      height: 100%;
      padding: 5px;
      float: left;
    }

    .right {
      float: left;
      width: 250px;

      .news {
        border: 1px solid #e4e4e4;
        margin-top: 5px;

        h4 {
          border-bottom: 1px solid #e4e4e4;
          padding: 5px 10px;
          margin: 5px 5px 0;
          line-height: 22px;
          overflow: hidden;
          font-size: 14px;

          .fl {
            float: left;
          }

          .fr {
            float: right;
            font-size: 12px;
            font-weight: 400;
          }
        }

        .news-list {
          padding: 5px 15px;
          line-height: 26px;

          .bold {
            font-weight: 700;
          }
        }
      }

      .lifeservices {
        border-right: 1px solid #e4e4e4;
        overflow: hidden;
        display: flex;
        flex-wrap: wrap;

        .life-item {
          border-left: 1px solid #e4e4e4;
          border-bottom: 1px solid #e4e4e4;
          margin-right: -1px;
          height: 64px;
          text-align: center;
          position: relative;
          cursor: pointer;
          width: 25%;

          .list-item {
            background-image: url("@/assets/icons.png");
            width: 61px;
            height: 40px;
            display: block;
          }

          .service-intro {
            line-height: 22px;
            width: 60px;
            display: block;
          }

          &:nth-child(1) {
            .list-item {
              background-position: 0px -5px;
            }
          }

          &:nth-child(2) {
            .list-item {
              background-position: -62px -5px;
            }
          }

          &:nth-child(3) {
            .list-item {
              background-position: -126px -5px;
            }
          }

          &:nth-child(4) {
            .list-item {
              background-position: -190px -5px;
            }
          }

          &:nth-child(5) {
            .list-item {
              background-position: 0px -76px;
            }
          }

          &:nth-child(6) {
            .list-item {
              background-position: -62px -76px;
            }
          }

          &:nth-child(7) {
            .list-item {
              background-position: -126px -76px;
            }
          }

          &:nth-child(8) {
            .list-item {
              background-position: -190px -76px;
            }
          }

          &:nth-child(9) {
            .list-item {
              background-position: 0px -146px;
            }
          }

          &:nth-child(10) {
            .list-item {
              background-position: -62px -146px;
            }
          }

          &:nth-child(11) {
            .list-item {
              background-position: -126px -146px;
            }
          }

          &:nth-child(12) {
            .list-item {
              background-position: -190px -146px;
            }
          }
        }
      }

      .ads {
        margin-top: 5px;

        img {
          opacity: 0.8;
          transition: all 400ms;

          &:hover {
            opacity: 1;
          }
        }
      }
    }
  }
}
</style>
